Place of Origin:
Jiangsu, China
Brand Name:
Giant Precision
Certification:
ISO9001
Model Number:
Model 8, Model 11
Product Description
The model 8 and model 11 harmonic drive gear units of LS and LH series are known as the mini-shaped strain wave reducer.
LS And LH series miniature strain wave reducers provide high positioning accuracy in a very compact package.
These harmonic drives are well suited for semiconductor and robotics applications, especially end of arm axes for small industrial and collaborative robots, industrial machinery where weight is a critical factor.
Key Features
• Compact and lightweight
• High positioning accuracy
• High torque capacity
• High radial, axial, and moment load capacity
• Three reduction ratios available: 50:1 to 100:1
Rated Parameters Table of LS Series
| Model | Reduction ratio | Rated torque at 2000r/min input | Permissible peak torque at start and stop | Permissible maximum value for average load torque | Permissible maximum momentary torque | Permissible maximum input rotational speed (Grease) |
Permissible average input rotational speed (Grease) |
Backlash | Weight | Design life | ||||
| Nm | kgfm | Nm | kgfm | Nm | kgfm | Nm | kgfm | r/min | r/min | Arc Sec | kg | Hour | ||
| 8 | 50 | 1.8 | 0.18 | 3.3 | 0.34 | 2.3 | 0.23 | 6.6 | 0.67 | 8500 | 3500 | ≤40 | 0.08 | 10000 |
| 100 | 2.4 | 0.24 | 4.8 | 0.49 | 3.3 | 0.34 | 9 | 0.92 | 10000 | |||||
| 11 | 50 | 3.5 | 0.36 | 8.3 | 0.85 | 5.5 | 0.56 | 17 | 1.73 | 8500 | 3500 | ≤30 | 0.25 | 10000 |
| 80 | 4.5 | 0.46 | 9.9 | 1.01 | 8 | 0.82 | 22.5 | 2.3 | 0.17 | 10000 | ||||
Rated Parameters Table of LH Series
| Model | Reduction ratio | Rated torque at 2000r/min input | Permissible peak torque at start and stop | Permissible maximum value for average load torque | Permissible maximum momentary torque | Permissible maximum input rotational speed (Grease) |
Permissible average input rotational speed (Grease) |
Backlash | Weight | Design life | ||||
| Nm | kgfm | Nm | kgfm | Nm | kgfm | Nm | kgfm | r/min | r/min | Arc Sec | kg | Hour | ||
| 8 | 50 | 1.8 | 0.18 | 3.3 | 0.34 | 2.3 | 0.23 | 6.6 | 0.67 | 8500 | 3500 | ≤40 | 0.06 | 10000 |
| 100 | 2.4 | 0.24 | 4.8 | 0.49 | 3.3 | 0.34 | 9 | 0.92 | 10000 | |||||
| 11 | 50 | 3.5 | 0.36 | 8.3 | 0.85 | 5.5 | 0.56 | 17 | 1.73 | 8500 | 3500 | ≤30 | 0.27 | 10000 |
| 80 | 4.5 | 0.46 | 9.9 | 1.01 | 8 | 0.82 | 22.5 | 2.3 | 10000 | |||||
| 100 | 5 | 0.51 | 11 | 1.12 | 8.9 | 0.91 | 25 | 2.55 | 10000 | |||||
Detailed Images
| Key Attributes of LS and LH Series Miniature Harmonic Drive | |||
| Product | Mini Strain Wave Reducer | ||
|
Material
|
Steel, Aluminum, Polyurethane, Bearings and Seals, Lubricants | ||
|
Reduction Ratio
|
50, 80, 100 | ||
|
Backlash
|
Less than 30 Arc Sec | ||
|
Average Input Speed
|
3500 r/min | ||
|
Max Input Speed
|
8500 r/min | ||
|
Design Life
|
10000 hours | ||
|
Model
|
8, 11 | ||
|
Weight
|
0.06 to 0.27 kg | ||
| Warranty | 1 year | ||
Application
Harmonic drives, or harmonic gear drives, are specialized gear mechanisms that are known for their precision and compact design. They find application in a variety of fields due to their unique properties.
| Robotics | Harmonic drives are extensively used in robotics for their high torque-to-weight ratio and precision. They help in achieving fine control and positioning in robotic arms and legs. | |
| Aerospace | In aerospace engineering, these drives are used in satellite and spacecraft systems due to their reliability and compactness. They are essential in mechanisms that require high precision and minimal backlash, such as satellite antennas and landing gear. | |
| Medical Devices | Harmonic drives are utilized in various medical devices, including surgical robots and diagnostic equipment. Their precision and smooth motion are critical for delicate operations and accurate diagnostics. | |
| Industrial Automation | They are employed in industrial automation systems for tasks like material handling, assembly, and machine tools. Their ability to handle high loads while maintaining precision makes them suitable for these applications. | |
| Optical Systems | Harmonic drives are used in optical systems, such as high-precision telescopes and cameras, where accurate positioning and minimal mechanical play are crucial. | |
| Automotive | In automotive applications, harmonic drives can be found in systems that require compact and efficient motion control, such as in certain types of steering mechanisms or advanced driver-assistance systems (ADAS). | |
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